31508988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 89800704

約数和(自身を除く): 58291716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 47, 69, 84, 92, 94, 138, 141, 161, 188, 276, 282, 322, 329, 347, 483, 564, 644, 658, 694, 966, 987, 1041, 1081, 1316, 1388, 1932, 1974, 2082, 2162, 2429, 3243, 3948, 4164, 4324, 4858, 6486, 7287, 7567, 7981, 9716, 12972, 14574, 15134, 15962, 16309, 22701, 23943, 29148, 30268, 31924, 32618, 45402, 47886, 48927, 55867, 65236, 90804, 95772, 97854, 111734, 114163, 167601, 195708, 223468, 228326, 335202, 342489, 375107, 456652, 670404, 684978, 750214, 1125321, 1369956, 1500428, 2250642, 2625749, 4501284, 5251498, 7877247, 10502996, 15754494, 31508988]

約数ペア:

[(1, 31508988), (2, 15754494), (3, 10502996), (4, 7877247), (6, 5251498), (7, 4501284), (12, 2625749), (14, 2250642), (21, 1500428), (23, 1369956), (28, 1125321), (42, 750214), (46, 684978), (47, 670404), (69, 456652), (84, 375107), (92, 342489), (94, 335202), (138, 228326), (141, 223468), (161, 195708), (188, 167601), (276, 114163), (282, 111734), (322, 97854), (329, 95772), (347, 90804), (483, 65236), (564, 55867), (644, 48927), (658, 47886), (694, 45402), (966, 32618), (987, 31924), (1041, 30268), (1081, 29148), (1316, 23943), (1388, 22701), (1932, 16309), (1974, 15962), (2082, 15134), (2162, 14574), (2429, 12972), (3243, 9716), (3948, 7981), (4164, 7567), (4324, 7287), (4858, 6486)]